<template>
  <div v-if="isExternal" :style="styleExternalIcon" class="svg-external-icon svg-icon" v-on="$listeners" ></div>
  <svg v-else :class="svgClass" aria-hidden="true">
    <use :xlink:href="iconName" />
  </svg>
</template>

<script>
import { isExternal } from '@/utils/validate.js'
import '@/icons'

export default {
  name: 'svg-icon',
  props: {
    iconClass: {
      type: String,
      required: true
    },
    className: {
      type: String,
      default: ''
    }
  },
  computed: {
    isExternal () {
      return isExternal(this.iconClass)
    },
    iconName () {
      return `#icon-${this.iconClass}`
    },
    svgClass () {
      if (this.className) {
        return 'svg-icon ' + this.className
      } else {
        return 'svg-icon'
      }
    },
    styleExternalIcon () {
      return {
        mask: `url(${this.iconClass}) no-repeat 50% 50%`,
        '-webkit-mask': `url(${this.iconClass}) no-repeat 50% 50%`
      }
    }
  }
}
</script>

<style scoped>
.svg-icon {
  /* width: 1rem;
  height: 1rem; */
  vertical-align: middle;
  fill: currentColor;
  overflow: hidden;
  width: 18px;
  height: 18px;
}

.svg-external-icon {
  background-color: currentColor;
  mask-size: cover!important;
  display: inline-block;
}
</style>
